def qt_arch(d):
	import bb, re
	arch = bb.data.getVar('TARGET_ARCH', d, 1)
	if re.match("^i.86$", arch):
		arch = "x86"
	elif re.match("^arm.*", arch):
		arch = "arm"
	elif arch == "x86_64":
		arch = "x86"
	elif arch == "mipsel":
		arch = "mips"
	return arch